Wired magnetic contact sensor for doors and windows, with a wired part for the fixed frame and a mating part for the door. It monitors opening and closing and works with an alarm system main unit. Aluminum alloy body, 12V rated voltage, 120mA rated current and a sensing distance within 50mm.\n\nMagnetic Door Contact Sensor Wired Reed Switch for Home Garage Alarm\n\nSeller Info\n\nUK Seller\nUK Stock\nBrand New\n\nFast Dispatch\nUsually within 24 hours\n\n30-Day Returns\nNo hassle refunds\n\nQuick Responses\nUsually within 4 hours\n\nOverview\n\nThis wired magnetic contact sensor monitors the opening and closing of doors and windows, making it a practical replacement for old or worn contacts. The wired part is fitted to the fixed door frame and the mating part is mounted at the matching position on the door.\n\nIt is suitable for doors and windows around the home, garage, warehouse, enterprise or shop. The aluminum alloy body measures approximately 106 x 38 x 10mm, with a rated voltagm